ed henry has been monitoring events from 1600 pennsylvania avenue and joins us now with an update. >> good to see you. as mayor giuliani knows after a terrorist attack, you've got a balance moving ahead with the business of government and also trying to soothe the nation, not just the people in boston, but all around the country or wondering what will come of this terror investigation. the president doing a little bit of both today. he met behind closed doors in the situation room for about 90 minutes today with much of his national security team, including attorney general eric holder, the country director, john brennan, tom donnellan, both to get a handle on this specific terror investigation, but white house officials say he was trying to get a sense of the threat from all around the world, moving beyond just this one investigation. and the president in his weekly radio internet address this morning also talked about the resiliency not just of boston, but of the entire country. >> if anyone wants to know who we are, what america is, how we respond to evil and terror, that's it. sel